How to distinguish between true and false Qingdao wood of the big core board
Go to Qingdao wood shop to buy, E0 level white willow face is very good, no seam and radiation Tong, grasping nails, no deformation,
1, look at the manufacturer's trademark, production address, security signs and so on. Now fake big brand "near the brand" products too much. Of course, now some of the counterfeit products really super difficult to distinguish between true and false, it can only once again carefully read.
2. Look at the appearance of big core board. See whether the surface of the big core board, with or without warping, deformation, with or without blistering, depression. If the bonding strength is not good, weigh its corner will be "creak" open plastic sound. And then with the mouth of the device to knock the surface of the plate, listen to the sound is very different, if the sound has changed, indicating the existence of hollow inside the plate. And see whether there is no glue around, putty, generally putty are to cover up.
3. See if there is a smell. If the big core plate distributed fragrance of wood smell, indicating less formaldehyde release; if the smell pungent, indicating more formaldehyde release, do not buy.
Tell the truth now on the market to the people to decorate the majority of E2 board, E1 rarely find, E0 less, a lot even if the paste E1 or E0, in fact, not necessarily true compliance, as long as the above 3:00 no problem Basically nothing, and more to take a few look like a good decoration is the most important ventilation is more than a month or more to distribute formaldehyde.
